GetMemoryBlockCacheLimit

// VmSavedStateDumpProvider.dll
#include <windows.h>

HRESULT GetMemoryBlockCacheLimit(
    void* vmSavedStateDumpHandle,
    ULONGLONG* memoryBlockCacheLimit
);

<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function GetMemoryBlockCacheLimit(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    <Out> ByRef memoryBlockCacheLimit As ULong   ' ULONGLONG* out
) As Integer
End Function

' vmSavedStateDumpHandle : void* in/out
' memoryBlockCacheLimit : ULONGLONG* out
Declare PtrSafe Function GetMemoryBlockCacheLimit Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByRef memoryBlockCacheLimit As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetMemoryBlockCacheLimit = ctypes.windll.vmsavedstatedumpprovider.GetMemoryBlockCacheLimit
GetMemoryBlockCacheLimit.restype = ctypes.c_int
GetMemoryBlockCacheLimit.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    ctypes.POINTER(ctypes.c_ulonglong),  # memoryBlockCacheLimit : ULONGLONG* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
GetMemoryBlockCacheLimit = Fiddle::Function.new(
  lib['GetMemoryBlockCacheLimit'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    Fiddle::TYPE_VOIDP,  # memoryBlockCacheLimit : ULONGLONG* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn GetMemoryBlockCacheLimit(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        memoryBlockCacheLimit: *mut u64  // ULONGLONG* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int GetMemoryBlockCacheLimit(IntPtr vmSavedStateDumpHandle, out ulong memoryBlockCacheLimit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_GetMemoryBlockCacheLimit' -Namespace Win32 -PassThru
# $api::GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)

#uselib "VmSavedStateDumpProvider.dll"
#func global GetMemoryBlockCacheLimit "GetMemoryBlockCacheLimit" sptr, sptr
; GetMemoryBlockCacheLimit vmSavedStateDumpHandle, varptr(memoryBlockCacheLimit)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; memoryBlockCacheLimit : ULONGLONG* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetMemoryBlockCacheLimit "GetMemoryBlockCacheLimit" sptr, var
; res = GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; memoryBlockCacheLimit : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT GetMemoryBlockCacheLimit(void* vmSavedStateDumpHandle, ULONGLONG* memoryBlockCacheLimit)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetMemoryBlockCacheLimit "GetMemoryBlockCacheLimit" intptr, var
; res = GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; memoryBlockCacheLimit : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procGetMemoryBlockCacheLimit = vmsavedstatedumpprovider.NewProc("GetMemoryBlockCacheLimit")
)

// vmSavedStateDumpHandle (void* in/out), memoryBlockCacheLimit (ULONGLONG* out)
r1, _, err := procGetMemoryBlockCacheLimit.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(memoryBlockCacheLimit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetMemoryBlockCacheLimit(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  memoryBlockCacheLimit: Pointer   // ULONGLONG* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetMemoryBlockCacheLimit';

result := DllCall("VmSavedStateDumpProvider\GetMemoryBlockCacheLimit"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "Ptr", memoryBlockCacheLimit   ; ULONGLONG* out
    , "Int")   ; return: HRESULT

●GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit) = DLL("VmSavedStateDumpProvider.dll", "int GetMemoryBlockCacheLimit(void*, void*)")
# 呼び出し: GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# memoryBlockCacheLimit : ULONGLONG* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。